Mailing List Archive

cutting 01/10/11 15:44:23

Modified: src/java/org/apache/lucene/index SegmentsReader.java
Log:
Fixed potential race condition.

Revision Changes Path
1.2 +2 -2 jakarta-lucene/src/java/org/apache/lucene/index/SegmentsReader.java

Index: SegmentsReader.java
===================================================================
RCS file: /home/cvs/jakarta-lucene/src/java/org/apache/lucene/index/SegmentsReader.java,v
retrieving revision 1.1
retrieving revision 1.2
diff -u -r1.1 -r1.2
--- SegmentsReader.java 2001/09/18 16:29:54 1.1
+++ SegmentsReader.java 2001/10/11 22:44:23 1.2
@@ -77,7 +77,7 @@
starts[readers.length] = maxDoc;
}

- public final int numDocs() {
+ public synchronized final int numDocs() {
if (numDocs == -1) { // check cache
int n = 0; // cache miss--recompute
for (int i = 0; i < readers.length; i++)
@@ -101,7 +101,7 @@
return readers[i].isDeleted(n - starts[i]); // dispatch to segment reader
}

- public final void delete(int n) throws IOException {
+ public synchronized final void delete(int n) throws IOException {
numDocs = -1; // invalidate cache
int i = readerIndex(n); // find segment num
readers[i].delete(n - starts[i]); // dispatch to segment reader